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Feverish Stock Price Reactions to COVID-19.

Stefano Ramelli¹, Alexander F Wagner²

¹University of Zürich.

The Review of Corporate Finance Studies

|June 12, 2025

Summary

Market reactions to COVID-19 reveal how real shocks and financial policies impact firm value. Corporate debt and cash became key drivers as the pandemic spread, amplified through financial channels.

Area of Science:

Finance
Economics
Public Health

Background:

The 2019 novel coronavirus disease (COVID-19) pandemic presented unprecedented global economic and financial challenges.
Understanding market reactions is crucial for assessing the impact of health crises on firm value and economic stability.

Purpose of the Study:

To investigate how real economic shocks and financial policies influenced firm value during the COVID-19 pandemic.
To analyze the evolving role of corporate financial characteristics in response to the crisis.

Main Methods:

Analysis of market reactions to COVID-19, focusing on firm value.
Examination of the impact of international trade exposure, corporate debt, and cash holdings.
Content analysis of corporate conference calls to track sentiment and information dissemination.

Keywords:

F14 G01 G12 G14 G32

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Main Results:

Firms with greater international exposure, particularly to China, initially underperformed.
Corporate debt and cash holdings became significant value drivers as the pandemic spread globally.
Financial market interventions, such as Federal Reserve bond market actions, had a notable impact.

Conclusions:

The COVID-19 crisis demonstrated how real economic effects are amplified through financial channels.
Firm-level financial characteristics play a critical role in navigating severe health crises.
Market dynamics evolved significantly throughout the pandemic, influenced by both real shocks and policy responses.